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- /* Arduino Radar Project
- *
- * Updated version. Fits any screen resolution!
- * Just change the values in the size() function,
- * with your screen resolution.
- *
- * by Dejan Nedelkovski,
- * www.HowToMechatronics.com
- *
- */
- import processing.serial.*; // imports library for serial communication
- import java.awt.event.KeyEvent; // imports library for reading the data from the serial port
- import java.io.IOException;
- Serial myPort; // defines Object Serial
- // defubes variables
- String angle="";
- String distance="";
- String data="";
- String noObject;
- float pixsDistance;
- int iAngle, iDistance;
- int index1=0;
- int index2=0;
- PFont orcFont;
- void setup() {
- size (1920, 1080); // ***CHANGE THIS TO YOUR SCREEN RESOLUTION***
- smooth();
- myPort = new Serial(this,"COM3", 9600); // starts the serial communication
- myPort.bufferUntil('.'); // reads the data from the serial port up to the character '.'. So actually it reads this: angle,distance.
- orcFont = loadFont("OCRAExtended-30.vlw");
- }
- void draw() {
- fill(98,245,31);
- textFont(orcFont);
- // simulating motion blur and slow fade of the moving line
- noStroke();
- fill(0,4);
- rect(0, 0, width, height-height*0.065);
- fill(98,245,31); // green color
- // calls the functions for drawing the radar
- drawRadar();
- drawLine();
- drawObject();
- drawText();
- }
- void serialEvent (Serial myPort) { // starts reading data from the Serial Port
- // reads the data from the Serial Port up to the character '.' and puts it into the String variable "data".
- data = myPort.readStringUntil('.');
- data = data.substring(0,data.length()-1);
- index1 = data.indexOf(","); // find the character ',' and puts it into the variable "index1"
- angle= data.substring(0, index1); // read the data from position "0" to position of the variable index1 or thats the value of the angle the Arduino Board sent into the Serial Port
- distance= data.substring(index1+1, data.length()); // read the data from position "index1" to the end of the data pr thats the value of the distance
- // converts the String variables into Integer
- iAngle = int(angle);
- iDistance = int(distance);
- }
- void drawRadar() {
- pushMatrix();
- translate(width/2,height-height*0.074); // moves the starting coordinats to new location
- noFill();
- strokeWeight(2);
- stroke(98,245,31);
- // draws the arc lines
- arc(0,0,(width-width*0.0625),(width-width*0.0625),PI,TWO_PI);
- arc(0,0,(width-width*0.27),(width-width*0.27),PI,TWO_PI);
- arc(0,0,(width-width*0.479),(width-width*0.479),PI,TWO_PI);
- arc(0,0,(width-width*0.687),(width-width*0.687),PI,TWO_PI);
- // draws the angle lines
- line(-width/2,0,width/2,0);
- line(0,0,(-width/2)*cos(radians(30)),(-width/2)*sin(radians(30)));
- line(0,0,(-width/2)*cos(radians(60)),(-width/2)*sin(radians(60)));
- line(0,0,(-width/2)*cos(radians(90)),(-width/2)*sin(radians(90)));
- line(0,0,(-width/2)*cos(radians(120)),(-width/2)*sin(radians(120)));
- line(0,0,(-width/2)*cos(radians(150)),(-width/2)*sin(radians(150)));
- line((-width/2)*cos(radians(30)),0,width/2,0);
- popMatrix();
- }
- void drawObject() {
- pushMatrix();
- translate(width/2,height-height*0.074); // moves the starting coordinats to new location
- strokeWeight(9);
- stroke(255,10,10); // red color
- pixsDistance = iDistance*((height-height*0.1666)*0.025); // covers the distance from the sensor from cm to pixels
- // limiting the range to 40 cms
- if(iDistance<40){
- // draws the object according to the angle and the distance
- line(pixsDistance*cos(radians(iAngle)),-pixsDistance*sin(radians(iAngle)),(width-width*0.505)*cos(radians(iAngle)),-(width-width*0.505)*sin(radians(iAngle)));
- }
- popMatrix();
- }
- void drawLine() {
- pushMatrix();
- strokeWeight(9);
- stroke(30,250,60);
- translate(width/2,height-height*0.074); // moves the starting coordinats to new location
- line(0,0,(height-height*0.12)*cos(radians(iAngle)),-(height-height*0.12)*sin(radians(iAngle))); // draws the line according to the angle
- popMatrix();
- }
- void drawText() { // draws the texts on the screen
- pushMatrix();
- if(iDistance>40) {
- noObject = "Out of Range";
- }
- else {
- noObject = "In Range";
- }
- fill(0,0,0);
- noStroke();
- rect(0, height-height*0.0648, width, height);
- fill(98,245,31);
- textSize(25);
- text("10cm",width-width*0.3854,height-height*0.0833);
- text("20cm",width-width*0.281,height-height*0.0833);
- text("30cm",width-width*0.177,height-height*0.0833);
- text("40cm",width-width*0.0729,height-height*0.0833);
- textSize(40);
- text("Object: " + noObject, width-width*0.875, height-height*0.0277);
- text("Angle: " + iAngle +" °", width-width*0.48, height-height*0.0277);
- text("Distance: ", width-width*0.26, height-height*0.0277);
- if(iDistance<40) {
- text(" " + iDistance +" cm", width-width*0.225, height-height*0.0277);
- }
- textSize(25);
- fill(98,245,60);
- translate((width-width*0.4994)+width/2*cos(radians(30)),(height-height*0.0907)-width/2*sin(radians(30)));
- rotate(-radians(-60));
- text("30°",0,0);
- resetMatrix();
- translate((width-width*0.503)+width/2*cos(radians(60)),(height-height*0.0888)-width/2*sin(radians(60)));
- rotate(-radians(-30));
- text("60°",0,0);
- resetMatrix();
- translate((width-width*0.507)+width/2*cos(radians(90)),(height-height*0.0833)-width/2*sin(radians(90)));
- rotate(radians(0));
- text("90°",0,0);
- resetMatrix();
- translate(width-width*0.513+width/2*cos(radians(120)),(height-height*0.07129)-width/2*sin(radians(120)));
- rotate(radians(-30));
- text("120°",0,0);
- resetMatrix();
- translate((width-width*0.5104)+width/2*cos(radians(150)),(height-height*0.0574)-width/2*sin(radians(150)));
- rotate(radians(-60));
- text("150°",0,0);
- popMatrix();
- }
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